from flask import (
	Blueprint, flash, g, redirect, render_template, request, url_for
)
from werkzeug.exceptions import abort

from interruptor.auth import login_required
from interruptor.db import get_db

import RPi.GPIO as GPIO

bp = Blueprint('interruptor', __name__)

@bp.route('/')
def index():
	db = get_db()
	status = db.execute(
		'SELECT user_id, status, created'
		' FROM status JOIN user ON status.user_id = user.id'
		' ORDER BY created DESC LIMIT 1'
	).fetchone()
	return render_template('interruptor/index.html.j2', status=status)

@bp.route('/toggle')
@login_required
def toggle():
	db = get_db()
	status = db.execute(
		'SELECT status'
		' FROM status JOIN user ON status.user_id = user.id'
		' ORDER BY created DESC LIMIT 1'
	).fetchone()

	if status['status']:
		GPIO.output(17, GPIO.LOW)
	else:
		GPIO.output(17, GPIO.HIGH)

	db.execute(
		'INSERT INTO status (user_id, status)'
		' VALUES (?, ?)',
		(g.user['id'], not status['status'])
	)
	db.commit()

	return redirect(url_for('interruptor.index'))